CVE-2025-52496

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Source
https://cve.org/CVERecord?id=CVE-2025-52496
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-52496.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-52496
Downstream
Published
2025-07-04T15:15:22.633Z
Modified
2026-04-10T05:30:38.587840Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, or perform a GCM forgery.

References

Affected packages

Git / github.com/armmbed/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/armmbed/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c765c831e5c2a0971410692f92f7a81d6ec65ec2
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.6.4"
        }
    ]
}

Affected versions

Other
beta-oob-2
mbedos-release-15-11
mbedos-techcon-oob2
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.2
mbedtls-2.10.0
mbedtls-2.11.0
mbedtls-2.12.0
mbedtls-2.13.0
mbedtls-2.13.1
mbedtls-2.14.0
mbedtls-2.16.0
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.2.0
mbedtls-2.2.1
mbedtls-2.20.0
mbedtls-2.20.0d0
mbedtls-2.21.0
mbedtls-2.22.0d0
mbedtls-2.24.0
mbedtls-2.26.0
mbedtls-2.3.0
mbedtls-2.4.0
mbedtls-2.5.0
mbedtls-2.5.1
mbedtls-2.6.0
mbedtls-2.6.0-rc1
mbedtls-2.7.0
mbedtls-2.7.0-rc1
mbedtls-2.8.0
mbedtls-2.8.0-rc1
mbedtls-2.9.0
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9
v2.*
v2.24.0
v2.26.0
yotta-2.*
yotta-2.3.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-52496.json"